Add cpptoml third_party dependency

.gitmodules

@@ -49,3 +49,6 @@
 [submodule "third_party/capstone"]
 	path = third_party/capstone
 	url = https://github.com/xenia-project/capstone.git
+[submodule "third_party/cpptoml"]
+	path = third_party/cpptoml
+	url = https://github.com/skystrife/cpptoml

premake5.lua

@@ -234,6 +234,7 @@ solution("xenia")
   include("third_party/capstone.lua")
   include("third_party/discord-rpc.lua")
   include("third_party/gflags.lua")
+  include("third_party/cpptoml.lua")
   include("third_party/glew.lua")
   include("third_party/glslang-spirv.lua")
   include("third_party/imgui.lua")

third_party/cpptoml.lua

@@ -0,0 +1,8 @@
+group("third_party")
+project("cpptoml")
+  uuid("1e86cc51-3f8b-476d-9249-3b200424846b")
+  kind("Utility")
+  language("C++")
+  files({
+    "cpptoml/include/cpptoml.h",
+  })